package com.xiaotu.strategy;

/**
 * @author 张晓
 * @create 2020-06-27 16:18
 */
public abstract class Duck {

    //显示鸭子的信息
    public abstract void display();

    public void quack(){
        System.out.println("鸭子嘎嘎叫~~");
    }
    public void swim(){
        System.out.println("鸭子会游泳~~");
    }
    public void fly(){
        System.out.println("鸭子会飞翔~~");
    }
}
